(1+sin tita) (1-sin tita) / (1+cos tita) (1-cos tita
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Step-by-step explanation:
1²-sin²tita/1²-cos²tita
1-sin²tita/sin²tita
sin²tita+cos²tita-sin²tita/sin²tita
cos²tita/sin²tita
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Step-by-step explanation:
ANSWER IS COT2theta
HOPE YOU UNDERSTAND
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